MDT10P257 Datasheet, PDF (15/18 Pages) Micon Design Technology Corporation – 8-bit micro-controlle

11. Port A ,Port B and Port C Equivalent Circuit
MDT10P257
Control Pull-high
Working Register
Data I/P
D
QB
I/O
Control
I/O Control
Latch
CK
Q
Write
D
Data O/P
Latch
CK
Q
Pull high Resistor
Port I/O Pin
Data Bus
Read
QB
D
Data I/P
Latch
CK
TTL Input Level
Input Resistor
This specification are subject to be changed without notice. Any latest information please visit our web site
(http;//www.mdtic.com.tw) for detail
P. 15
2011/02 VER 1.1